1520793990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{993983}}^1$

素因数の和:994013

約数の個数: 48

約数和(自身を含む): 4186660608

約数和(自身を除く): 2665866618

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 85, 90, 102, 153, 170, 255, 306, 510, 765, 1530, 993983, 1987966, 2981949, 4969915, 5963898, 8945847, 9939830, 14909745, 16897711, 17891694, 29819490, 33795422, 44729235, 50693133, 84488555, 89458470, 101386266, 152079399, 168977110, 253465665, 304158798, 506931330, 760396995, 1520793990]

約数ペア:

[(1, 1520793990), (2, 760396995), (3, 506931330), (5, 304158798), (6, 253465665), (9, 168977110), (10, 152079399), (15, 101386266), (17, 89458470), (18, 84488555), (30, 50693133), (34, 44729235), (45, 33795422), (51, 29819490), (85, 17891694), (90, 16897711), (102, 14909745), (153, 9939830), (170, 8945847), (255, 5963898), (306, 4969915), (510, 2981949), (765, 1987966), (1530, 993983)]